Choose or find odd word - Anger , Grief , Humorous , Kindness , Joy

C. HUMOROUS

Choose or find odd word - Molar , Canine , Enamel , Incisors

C. ENAMEL

Choose or find odd word - Fish , Scorpion , Crab , Octopus , Crocodile

B. SCORPION

Choose or find odd word - Thiamine , Niacin , Trypsin , Riboflavin , Ascorbic acid

C. TRYPSIN

Choose or find odd word - Listen , Swim , Walk , Climb , Run

A. LISTEN